Nice young man?

I believe the answer is:

garcon

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'nice young man?' is the definition.
(term for a young man in French eg in Nice)

'nice young man?' is the wordplay.
'nice young' becomes 'gar' (I am not sure about this - if you are sure you should believe this answer much more).
'man?' becomes 'con'.
'gar'+'con'='GARCON'

Can you help me to learn more?

(Other definitions for garcon that I've seen before include "Bistro waiter" , "He waits" , "one serving 10 [HORS D'OEUVRES] ?" , "French boy or waiter" .)

I've seen this clue in The Telegraph.

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